Home / 12,346.46-18,521.51-3,580.23

Finding the Fourth Proportional to 12,346.46, 18,521.51 and 3,580.23

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Solution

The fourth proportional to 12,346.46, 18,521.51 and 3,580.23 is: 5,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.46 : 18,521.51 = 3,580.23 : x
  2. Step 2: Convert to fraction form
    12,346.46/18,521.51 = 3,580.23/x
  3. Step 3: Cross multiply
    12,346.46x = 18,521.51 × 3,580.23
  4. Step 4: Simplify right side
    12,346.46x = 66,311,247.85
  5. Step 5: Solve for x
    x = 66,311,247.85/12,346.46
  6. Step 6: Final answer
    x = 5,370.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.